When making use of People no-cache headers on file downloads in any case, then Watch out for the IE7/eight bug when serving a file download above HTTPS in lieu of HTTP. For detail, see IE can't download foo.jsf. IE was not able to open this internet site. The requested site is either unavailable or cannot be identified.
It is the Cache-Control:no-store which is the official process to indicate that the response not even be stored within a cache in the first place.
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window.onbeforeunload = function () // This perform does nothing. It will not likely spawn a confirmation dialog // But it will make sure that the page just isn't cached via the browser.
Anders SandvigAnders Sandvig 21k1616 gold badges6161 silver badges7474 bronze badges one one Setting a long-ago Last-Modified has no effect on caching, other than allowing a cached reaction be used longer due to heuristic revalidation.
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Over a remaining note. Try to be informed that resources can be cached in between the server and customer. ISP's, proxies, and other network devices also cache resources and they frequently use internal procedures without looking at the actual resource.
But that may possibly are unsuccessful if e.g. the tip-user manipulates the running system date and the customer software is relying on it.
There is a large amount of information concerning this concern there but I have but to find a good reference that describes the benefits of every technique and no matter whether a particular technique has become superseded by a higher level API.
It is hacky, but no header-based solution was working for me and for my purposes this little JS snippet is great (easy to transform to plain JS).
If you're making use of MVC4+ bundling and minification, you'll be wanting to help keep the default cache durations for scripts and stylesheets (very long durations, For the reason that cache will get invalidated based over a change to a singular URL, not based on time).
I just would like to point out that if anyone hopes to prevent caching ONLY dynamic written content, introducing All those added headers must check here be made programmatically.